Overview

overview

10

Static

static

3

dff3d79f21...b0.exe

windows7-x64

10

dff3d79f21...b0.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    dff3d79f21da276d81cfa74a073b1b147e58b808bb4083c1259ff356b3ef1fb0.exe

  • Size

    74KB

  • Sample

    241222-l3sg4stmhw

  • MD5

    3f68a06cfb033d09d1baf0d371a95ded

  • SHA1

    7d1d97f509feb2545dc7b2989f56973b85aacb29

  • SHA256

    dff3d79f21da276d81cfa74a073b1b147e58b808bb4083c1259ff356b3ef1fb0

  • SHA512

    4ee2fb330f3abeeb8c144a8ce8eb594fa10def480fbb959c96b5100c67b820fdee0cc03920de91ab29977f21a64207bb663774b0b044a9da89804853408050ad

  • SSDEEP

    1536:pDa+yJmd1yF86Rb62hENx0zAGDUOb4WzFE0x32TyojQaZOdWTXOC:pO+zGF86rEN+zAO3zF3Y7uAXD

Score
10/10
berbewbackdoordiscoverypersistence

Malware Config

Extracted

Family

berbew

C2

http://f/wcmd.htm

http://f/ppslog.php

http://f/piplog.php?%s:%i:%i:%s:%09u:%i:%02d:%02d:%02d

Targets

    • Target

      dff3d79f21da276d81cfa74a073b1b147e58b808bb4083c1259ff356b3ef1fb0.exe

    • Size

      74KB

    • MD5

      3f68a06cfb033d09d1baf0d371a95ded

    • SHA1

      7d1d97f509feb2545dc7b2989f56973b85aacb29

    • SHA256

      dff3d79f21da276d81cfa74a073b1b147e58b808bb4083c1259ff356b3ef1fb0

    • SHA512

      4ee2fb330f3abeeb8c144a8ce8eb594fa10def480fbb959c96b5100c67b820fdee0cc03920de91ab29977f21a64207bb663774b0b044a9da89804853408050ad

    • SSDEEP

      1536:pDa+yJmd1yF86Rb62hENx0zAGDUOb4WzFE0x32TyojQaZOdWTXOC:pO+zGF86rEN+zAO3zF3Y7uAXD

    Score
    10/10
    berbewbackdoordiscoverypersistence

    • Adds autorun key to be loaded by Explorer.exe on startup

      persistence

    • Berbew

      Berbew is a backdoor written in C++.

      backdoorberbew

    • Berbew family

      berbew

    • Executes dropped EXE

    • Loads dropped DLL

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks